Saint-Gobain submitted the first of several rounds of sample data collected as part the on-site investigation. Unvalidated laboratory analytical results of water samples collected from eight temporary monitoring wells (TMWs) in October 2018 can be viewed here:
These data will be compiled in a report that will be submitted by Saint-Gobain’s consultant (tentatively scheduled for March 2019). Additional soil and groundwater sample results will be included in this report.
Highlights of the groundwater analytical results from the samples include:
- PFOA was detected at concentrations up to 5,100 nanograms per liter (ng/L), and PFOS was detected at concentrations up to 1,300 ng/L.
- HFPODA (“Gen X”) was detected in groundwater samples collected from two locations, at concentrations up to 3.5 ng/L.
- Volatile organic compounds (VOCs) were not detected.
- Semivolatile organic compounds (SVOCs) were detected in one groundwater sample at concentrations below ambient groundwater quality standards.